CVE-2018-1000880: canonical ubuntu_linux
Vulnerability summary
CVE-2018-1000880 is a medium (CVSS 6.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 4.06% chance of exploitation in the next 30 days, higher than 90.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 20-12-2018PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
libarchive version commit 9693801580c0cf7c70e862d305270a16b52826a7 onwards (release v3.2.0 onwards) contains a CWE-20: Improper Input Validation vulnerability in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. This attack appear to be exploitable via the victim must open a specially crafted WARC file.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
4.06%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.06% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 18.10
Debian1 product
- libarchive< 3.3.3-2
Fedoraproject1 product
- fedoraEOL29 | 30
Libarchive1 product
- libarchive≥ 3.2.0, < 3.4.0
Opensuse1 product
- leapEOL15.0
Ubuntu1 product
- libarchive< 3.2.2-3.1ubuntu0.2
6 vendors · 6 products
References
14 links- bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909X Refsource MISCPatchThird Party AdvisoryREPORT
- github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680X Refsource MISCPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory